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JPL Small-Body Database Browser
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46521 (1979 MM7)
Classification: Main-belt Asteroid          SPK-ID: 2046521
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1884221456073071 3.4617e-08  
a 2.200722158438348 1.022e-08 au
q 1.786057367459851 7.7126e-08 au
i 3.464676259700628 4.4059e-06 deg
node 160.9561904272796 6.6338e-05 deg
peri 101.3483694221988 6.8725e-05 deg
M 89.24740707290692 1.3464e-05 deg
tp 2458304.876225457047
(2018-Jul-05.37622546)
4.5493e-05 TDB
period 1192.466675793998
3.26
8.3063e-06
2.274e-08
d
yr
n .3018952288627234 2.1029e-09 deg/d
Q 2.615386949416846 1.2145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      14285 days (39.11 yr)  
   first obs. used      1979-06-23  
   last obs. used      2018-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57378  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:38:03  

Additional Information
 Earth MOID = .774186 au 
 Jupiter MOID = 2.45929 au 
 T_jup = 3.639 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO432023  

46521 (1979 MM7)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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